Two cases that have galvanized the legal profession — TWU and Groia — are among the 28 appeals the Supreme Court of Canada is hearing during a busy fall session that marks the swansong of the court’s longest serving chief justice.

Carissima Mathen, University of OttawaAfter 28 years at the highest court (nearly 18 as its leader), Chief Justice Beverley McLachlin, 74, will hear her final round of appeals from Oct. 3 to December 8 and then retire one week later.